3MH2:
reference: Mutagenesis of p38alpha MAP kinase establishes key roles of Phe169 in function and structural dynamics and reveals a novel DFG-OUT state., Bukhtiyarova M, Karpusas M, Northrop K, Namboodiri HV, Springman EB, Biochemistry. 2007 May 15;46(19):5687-96. Epub 2007 Apr 19. PMID: 17441692

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